Weng; DaFeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Weng; DaFeng.The latest application filed is for "high efficiency driver apparatus for driving a cold cathode fluorescent lamp".
- Weng; DaFeng - San Jose CA
- Weng; DaFeng - Yorktown Heights NY
| Patent | Date |
|---|---|
| High efficiency driver apparatus for driving a cold cathode fluorescent lamp Grant 6,630,797 - Qian , et al. October 7, 2 | 2003-10-07 |
| Single power stage AC/DC forward converter with power switch voltage clamping function Grant 6,519,164 - Weng , et al. February 11, 2 | 2003-02-11 |
| High efficiency driver apparatus for driving a cold cathode fluorescent lamp App 20020195971 - Qian, Jinrong ; et al. | 2002-12-26 |
| High efficiency DC-DC power converter Grant 6,487,094 - Weng , et al. November 26, 2 | 2002-11-26 |
| High efficiency DC-DC power converter with turn-off snubber Grant 6,477,064 - Weng , et al. November 5, 2 | 2002-11-05 |
| Push-pull based voltage-clamping electronic ballast Grant 6,417,629 - Qian , et al. July 9, 2 | 2002-07-09 |
| Push-pull Based Voltage-clamping Electronic Ballast App 20020067140 - Qian, Jinrong ; et al. | 2002-06-06 |
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